实现了基于FPGA的FFT变换，从最基本的32位2进制浮点数加减乘运算模块开始，组装出FFT模块。同时仿真文件中有32位浮点数转换为实数的仿真模块便于调试-Realized FPGA-based FFT transform, starting with the most basic 32-bit binary floating-point addition and subtraction multiplication module, a FFT module assembly. At the s